Knee pad



FIG. 1 is a perspective view of a knee pad in accordance with the new design, as worn by an infant (shown in phantom).

FIG. 2 is a front elevational view of the knee pad of FIG. 1; and,

FIG. 3 is a side elevational view of the knee pad of FIG. 1.

The dashed lines are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a knee pad, as shown and described. 